12211120022202 has 16 divisors (see below), whose sum is σ = 27135822271680. Its totient is φ = 4070373340716.

The previous prime is 12211120022201. The next prime is 12211120022263. The reversal of 12211120022202 is 20222002111221.

It is a happy number.

It is a super-2 number, since 2×12211120022202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12211120022201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113065926078 + ... + 113065926185.

It is an arithmetic number, because the mean of its divisors is an integer number (1695988891980).

Almost surely, 2^{12211120022202} is an apocalyptic number.

12211120022202 is an abundant number, since it is smaller than the sum of its proper divisors (14924702249478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211120022202 is a wasteful number, since it uses less digits than its factorization.

12211120022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226131852274 (or 226131852268 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12211120022202 its reverse (20222002111221), we get a palindrome (32433122133423).

The spelling of 12211120022202 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, twenty-two thousand, two hundred two".